Home / 102,720.60-154,080.90-93,535.20

Finding the Fourth Proportional to 102,720.60, 154,080.90 and 93,535.20

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Solution

The fourth proportional to 102,720.60, 154,080.90 and 93,535.20 is: 140,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,720.60 : 154,080.90 = 93,535.20 : x
  2. Step 2: Convert to fraction form
    102,720.60/154,080.90 = 93,535.20/x
  3. Step 3: Cross multiply
    102,720.60x = 154,080.90 × 93,535.20
  4. Step 4: Simplify right side
    102,720.60x = 14,411,987,797.68
  5. Step 5: Solve for x
    x = 14,411,987,797.68/102,720.60
  6. Step 6: Final answer
    x = 140,302.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.